WorldArrow iconSouth Korea

Live most polluted city ranking

Real-time South Korea most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of South Korea

Yeoju

151

2
The national flag of South Korea

Yongin

147

3
The national flag of South Korea

Suwon

144

4
The national flag of South Korea

Dangjin

142

5
The national flag of South Korea

Icheon

142

6
The national flag of South Korea

Anseong

139

7
The national flag of South Korea

Gwangju

137

8
The national flag of South Korea

Yesan

137

9
The national flag of South Korea

Hwaseong

133

10
The national flag of South Korea

Gwangmyeong

131

2025 South Korea most polluted city

Taisen-ri, Chungcheongnam-do

74

Live cleanest city ranking

Real-time South Korea cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of South Korea

Seogwipo

33

2
The national flag of South Korea

Jeju

36

3
The national flag of South Korea

Mokpo

39

4
The national flag of South Korea

Yeongam

39

5
The national flag of South Korea

Gwangju

53

6
The national flag of South Korea

Buan

55

7
The national flag of South Korea

Jeongeup

55

8
The national flag of South Korea

Seocheon

55

9
The national flag of South Korea

Geoje

59

10
The national flag of South Korea

Danyang

60

2025 South Korea cleanest city

Goseong, Gyeongsangnam-do

52

2025 country air quality average

How polluted is South Korea?

IQAir exclamation icon

In 2025 in South Korea, the annual PM2.5 concentration was 3.4 times the WHO annual PM2.5 guideline.

2025 AQI⁺ country ranking

Which country had the worst air quality in 2025?

#CountryPopulationAQI⁺ US
1
The national flag of South Korea

Pakistan

231,402,117

159

2
The national flag of South Korea

Bangladesh

169,356,251

158

3
The national flag of South Korea

Tajikistan

9,750,064

152

4
The national flag of South Korea

Chad

17,179,740

146

5
The national flag of South Korea

Democratic Republic of the Congo

95,894,118

137

6
The national flag of South Korea

India

1,407,563,842

134

7
The national flag of South Korea

Kuwait

4,250,114

126

8
The national flag of South Korea

Uganda

45,853,778

119

9
The national flag of South Korea

Egypt

109,262,178

114

10
The national flag of South Korea

Uzbekistan

34,915,100

107

55
The national flag of South Korea

South Korea

51,744,876

66

Worldwide PM2.5 ranking

2025 South Korea global rank in air pollution

55/143

Wildfires in South Korea

Real-time information

Active fires

--